begins the transition in afghanistan. u.s. forces are handing over control of seven districts to afghan forces. earlier this week, the first troops returned home as part of president obama's planned drawdown. >>> despite all of the warnings of carmageddon, life is going on in los angeles this weekend. there's not much traffic. actually, many people stayed home or used other forms of transportation. officials are worried that could mean people get in their cars today, creating gridlock. >>> researchers say they may have found an easy way to detect alzheimer's disease. scientists in australia said they've had encouraging results using a simple eye test. although more research is needed, alzheimer's is known to cause changes in both the brain and the eyes. >>> finally a doggy jail break. take a look at this corgi, as he springs his sister out of her cage, uses his paw, then his nose and tongue to open the lock. seems a little too easy for the four-legged friend to figure out this human design. i want to know who is smarter the co